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transfused: add trace logging error checking

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This commit is contained in:
David Sheets 2016-02-11 15:14:54 +00:00
parent 71fa8711ec
commit c830c22335
1 changed files with 15 additions and 4 deletions
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19
alpine/packages/transfused/transfused.c
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@ -118,11 +118,22 @@ void copy(copy_thread_state * copy_state) {
int trace_fd;
char * trace_path;
// TODO: check for errors
asprintf(&trace_path, "/tmp/transfused.%ld.%s.%llu",
connection, tag, message_id(buf));
if (asprintf(&trace_path, "/tmp/transfused.%ld.%s.%llu",
connection, tag, message_id(buf)) == -1)
die(1, "", "Couldn't allocate trace packet path");
trace_fd = open(trace_path, O_WRONLY | O_CREAT, 0600);
write(trace_fd, buf, read_count);
if (read_fd == -1)
die(1, "couldn't open trace packet path", "For %s, ", descr);
write_count = write(trace_fd, buf, read_count);
if (write_count == -1)
die(1, "", "copy %s trace: error writing %s: ", descr, trace_path);
if (write_count != read_count)
die(1, NULL, "copy %s trace: read %d but only write %d\n",
descr, read_count, write_count);
close(trace_fd);
free(trace_path);
}